// Copyright 2021 Datafuse Labs
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use databend_common_expression::type_check::convert_escape_pattern;

#[test]
fn test_convert_escape_pattern() {
    assert_eq!(convert_escape_pattern("%$%%", '$'), "%\\%%");
    assert_eq!(convert_escape_pattern("_$_%", '$'), "_\\_%");
    assert_eq!(convert_escape_pattern("100$%", '$'), "100\\%");
    assert_eq!(convert_escape_pattern("\\\\_%", '\\'), "\\\\_%");
    assert_eq!(convert_escape_pattern("hello", '$'), "hello");
}
